/Engine/Plugins/Online/WebAuth/Source/Public/WebAuth.h
bool AuthSessionWithURL ( const [FString](API\Runtime\Core\Containers\FString) & UrlStr, const [FString](API\Runtime\Core\Containers\FString) & SchemeStr, const [FWebAuthSessionCompleteDelegate](API\Plugins\WebAuth\FWebAuthSessionCompleteDelegate) & Delegate )